Reference Guide

368 | GARP VLAN Registration Protocol
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% Error: GVRP running. Cannot enable MSTP.
.........
FTOS(conf)#protocol gvrp
FTOS(conf-gvrp)#no disable
% Error: PVST running. Cannot enable GVRP.
% Error: MSTP running. Cannot enable GVRP.
Configuring GVRP
Globally, enable GVRP on each switch to facilitate GVRP communications. Then, GVRP configuration is
per interface on a switch-by-switch basis. Enable GVRP on each port that connects to a switch where you
want GVRP information exchanged. In Figure 20-1, that kind of port is referred to as a VLAN trunk port,
but it is not necessary to specifically identify to FTOS that the port is a trunk port, as described in
Chapter 18, VLAN Stacking, on page 367.
Figure 20-1. GVRP Configuration Overview
VLANs 10-20
VLANs 10-20
VLANs 30-50
VLANs 70-80
VLANs 70-80
VLANs 30-50
GVRP is configured globally
and on all VLAN trunk ports
for the edge and core switches.
Edge Switches
Core Switches
Edge Switches
NOTES:
VLAN 1 mode is always fixed and cannot be configured
All VLAN trunk ports must be configured for GVRP
All VLAN trunk ports must be configured as 802.1Q